Home / 13,810.57-19,060.46-8,146.91

Finding the Fourth Proportional to 13,810.57, 19,060.46 and 8,146.91

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Solution

The fourth proportional to 13,810.57, 19,060.46 and 8,146.91 is: 11,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.57 : 19,060.46 = 8,146.91 : x
  2. Step 2: Convert to fraction form
    13,810.57/19,060.46 = 8,146.91/x
  3. Step 3: Cross multiply
    13,810.57x = 19,060.46 × 8,146.91
  4. Step 4: Simplify right side
    13,810.57x = 155,283,811.44
  5. Step 5: Solve for x
    x = 155,283,811.44/13,810.57
  6. Step 6: Final answer
    x = 11,243.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.